1"

The 1" Ames 200B began production in 2003. Ames began to market the Watts 719 series as their model 200B. There are minor exterior differences between the Watts and Ames, but internal parts are the same. The 200B is a two cover, bronze body device. Covers thread into the body. Use caution when servicing as there is spring tension against the covers. Poppet design check assemblies with replaceable seats. No special tools are required for servicing.

The 1" Ames 2000B Double Check Valve Assembly is a bronze bodied, single cover device. It began production in 1997 and is still currently in production. It utilizes a inline check design with a single access cover. Plastic check modules are self contained and are held in place by a retainer directly under the cover. The check modules come apart for service with a quarter turn to the module. No special tools are required for servicing.

The 1" Ames 400B began production in 1997 when the Watts Regulator Company purchased the Ames company. Ames began to market the Watts 919 series as their model 400B. There are minor exterior differences between the Watts and Ames, but internal parts are the same. The 400B is a three cover, bronze body device. Modular design check assemblies with replaceable seats. Relief valve is located on the bottom of the device and uses an internal sensing line. No special tools are required for servicing.

The 1" Ames 4000B began production in 1997 when the Watts Regulator Company purchased the Ames company. Ames began to market the Watts 009 series as their model 4000B. There are minor exterior differences between the Watts and Ames, but internal parts are the same. The 4000B is a single cover, bronze body device. Modular design check assemblies with replaceable seats. No special tools are required for servicing.

The 1" Ames A200 Pressure Vacuum Breaker Assemblies began production in 1997 when the Watts Company purchased the Ames Company. Watts decided to market their 800M4 series backflow as the Ames A200. The body is constructed of bronze. Plastic internal parts are all serviceable and the check seat is replaceable. There are no special tools required for service.